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Forming Biocompatible and Nonaggregated Nanocrystals in Water Using Amphiphilic Polymers
Abstract
High-quality nanocrystals formed in organic solvents can be completely solubilized in water using amphiphilic copolymers containing poly(ethylene glycol) or PEG. These copolymers are generated using a maleic anhydride coupling scheme that permits the coupling of a wide variety of PEG polymers, both unfunctionalized and functionalized, to hydrophobic tails. Thermogravimetric analysis, size exclusion chromatography, cryogenic transmission electron microscopy, and infrared spectroscopy all indicate that the copolymers effectively coat the nanocrystals surfaces. The composite nanocrystal-polymer assemblies can be targeted to recognize cancer cells with Her2 receptor and are biocompatible if their surface coatings contain PEG. In the particular case of semiconductor nanocrystals (e.g., quantum dots), the materials in water have the same optical spectra as well as quantum yield as those formed initially in organic solutions.
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Cited by
Environmental behavior and ecotoxicity of engineered nanoparticles to algae, plants, and fungi
Navarro, E., Baun, A., Behra, R., Hartmann, N. B., Filser, J., Miao, A.-J., Quigg, A., Santschi, P. H., & Sigg, L. (2008) · Ecotoxicology · doi:10.1007/s10646-008-0214-0 · Cited by 1,772
Lee, N., & Hyeon, T. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15248c · Cited by 995
Lee, J., Mahendra, S., & Alvarez, P. J. J. (2010) · ACS Nano · doi:10.1021/nn100866w · Cited by 750
Quantum dots in biomedical applications
Wagner, A. M., Knipe, J. M., Orive, G., & Peppas, N. A. (2019) · Acta Biomaterialia · doi:10.1016/j.actbio.2019.05.022 · Cited by 632
Hühn, D., Kantner, K., Geidel, C., Brandholt, S., De Cock, I., Soenen, S. J. H., Rivera_Gil, P., Montenegro, J.-M., Braeckmans, K., Müllen, K., et al. (2013) · ACS Nano · doi:10.1021/nn3059295 · Cited by 580
Metadata
- Authors
- Yu, W. W., Chang, E., Falkner, J. C., Zhang, J., Al-Somali, A. M., Sayes, C. M., Johns, J., Drezek, R., & Colvin, V. L.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-02-20
- Volume
- 129
- Issue
- 10
- Pages
- 2871-2879
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2017870671
- Cited by
- 521
- References
- 0
- FWCI
- 27.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yu, W. W., Chang, E., Falkner, J. C., Zhang, J., Al-Somali, A. M., Sayes, C. M., Johns, J., Drezek, R., & Colvin, V. L. (2007). Forming Biocompatible and Nonaggregated Nanocrystals in Water Using Amphiphilic Polymers. Journal of the American Chemical Society. https://doi.org/10.1021/ja067184n
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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